4312431 has 24 divisors (see below), whose sum is σ = 6604416. Its totient is φ = 2706000.

The previous prime is 4312417. The next prime is 4312433. The reversal of 4312431 is 1342134.

It is not a de Polignac number, because 4312431 - 2¹⁰ = 4311407 is a prime.

It is a super-2 number, since 2×4312431² = 37194122259522, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4312433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17056 + ... + 17306.

It is an arithmetic number, because the mean of its divisors is an integer number (275184).

Almost surely, 2^4312431 is an apocalyptic number.

4312431 is a deficient number, since it is larger than the sum of its proper divisors (2291985).

4312431 is a wasteful number, since it uses less digits than its factorization.

4312431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 360 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 4312431 is about 2076.6393524153. The cubic root of 4312431 is about 162.7698836729.

Adding to 4312431 its reverse (1342134), we get a palindrome (5654565).

The spelling of 4312431 in words is "four million, three hundred twelve thousand, four hundred thirty-one".